View source code
Display the source code in object.d from which this
page was generated on github.
Report a bug
If you spot a problem with this page, click here to create a
Bugzilla issue.
Improve this page
Quickly fork, edit online, and submit a pull request for this page.
Requires a signed-in GitHub account. This works well for small changes.
If you'd like to make larger changes you may want to consider using
local clone.
object.dup
- multiple declarations
Function dup
Create a new associative array of the same size and copy the contents of the associative array into it.
V[K] dup(T, K, V)
(
T aa
);
Parameters
Name | Description |
---|---|
aa | The associative array. |
Example
auto aa = ["k1": 2];
auto a2 = aa .dup;
aa["k2"] = 3;
assert("k2" !in a2);
Function dup
Provide the .dup array property.
auto dup(T)
(
T[] a
) @property
if (!is(const(T) : T));
T[] dup(T)
(
const(T)[] a
) @property
if (is(const(T) : T));
Example
auto arr = [1, 2];
auto arr2 = arr .dup;
arr[0] = 0;
writeln(arr); // [0, 2]
writeln(arr2); // [1, 2]
Authors
Walter Bright, Sean Kelly
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.